Score:1

Exchange Journaling - What happens with delivery failure on certain recipients

in flag

If there are three users (A, B, C) in an exchange (O365 or recent Exch versions), and there is an incoming email To: A, B, C, where B and C got some delivery failures, will the exchange journal report mention only A? Are there any resources that talk about journaling behaviors in-depth? I searched, couldn't find any..

One more question, can we assume the exchange journal report as source of truth for the message-delivery?

Score:0
us flag

I have done a test in my lab, if the a message was sent to user01 and user02, and the user02 delivery failed, the exchange journal report mention only user01, the below is the testing screenshots for your reference: enter image description here

And you also receive the NDR for the journal for the failed delivery for user02: enter image description here

For more details on Journaling in Exchange Server for your reference: Journaling in Exchange Server

mangohost

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